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buret    
n. 滴管;玻璃量管

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  • Question: What is the volume of the uncalibrated region of the buret (mL)
    Use the volume value closest to your temperature value Mass of water in the uncalibrated region (g) 1 168 Temperature of water (°C) 21 0 Volume of 1 g water at temperature reported (ml) g 1 0030 Unrounded Rounded Volume of the uncalibrated region of the buret (mL) 3 3
  • Solved Burets can be read to two decimal places by - Chegg
    What is the volume reading on this buret segment? On many burets, the line width for the 0 1 mL markings is approximately 0 02 mL You can use this to help you estimate the final decimal place Pay attention to the volume markings on the buret In which direction should the ticks be read? Read from the bottom of the meniscus
  • Solved How should you prepare a buret for titration before - Chegg
    How should you prepare a buret for titration before loading it with titrant? Select one: Add some indicator to the buret Condition the buret with titrant solution Remove air bubbles from the buret tip O Run some water through the buret
  • Solved TITRATION STANDARDIZATION OF SODIUM HYDROXIDE - Chegg
    Initial volume of buret (mL) - 0 90 Mass of KHP (e) 1 680 observations color change Final volume of buret (mL) Volume of NoOH (mL) Consestration of MOOH (M) 1 Tum on stir plate 2 Start btration by adding sodium hydroxide to Erienmeyer flask 3
  • Solved Correctly order the following steps to prepare a - Chegg
    Question: Correctly order the following steps to prepare a buret for a titration ++ Place these in the proper order Rinse the buret with distilled water and then titrant Allow the titrant to run through the stopcock until there are no air bubbles in the tip Place a funnel in the buret, fill it with titrant, and then remove the funnel
  • Solved Read the buret (burette) volume and report your - Chegg
    Read the buret (burette) volume and report your reading with the proper number of digits mL Number 3 2 mL 10 15 46 20 25 30 47 35 40 48 Incorrect Read the buret volume at the bottom of the meniscus Report the buret reading to one digit beyond the markings on the buret
  • Solved Station 1 Post lab Questions (to be answered as the - Chegg
    Station 1 Post lab Questions (to be answered as the lab report): 1 How many significant figures should you use with a buret? Why? 2 What is the approximate mass of 1 mL of water? Show your work and clearly explain how you came to this conclusion using the data you collected during this lab 3 When changing solutions, should you wash the
  • Initial buret volume (mL) Final buret volume (mL) | Chegg. com
    Question: Initial buret volume (mL) Final buret volume (mL) Volume water delivered by buret (mL) Mass
  • Solved EXPERIMENTAL PROCEDURE A. Determination of | Chegg. com
    The buret is contaminated with an acid solution b The buret contains a large air bubble in the tip, which disappears in the course of the titration 2 Why is it important to do multiple trials of a titration, instead of only one trial? Average concentration of HCl from Trials 1,2 , and 3 irial 3 was cancelfc The "true" concentration of HCl is
  • Solved 2. The volume of space between the 50. 00 mL mark and - Chegg
    The volume of space between the 50 00 mL mark and the valve of a buret is 6 6 mL The buret reading of an upside-down buret containing a pocket of H 2 gas is 16 2 mL What is the total volume of H 2 in the buret? 3 The difference in the water levels of a beaker holding an upside-down buret containing a pocket of H 2 gas is 191 mmH 2 O





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